Two problems related to differential unit have been reported for the 2000 Chevrolet Blazer. The most recently reported issues are listed below.
Teeth broken on ring gear in differential. Dealer installed new ring & pinion gear, side bearings and added new oil. Parts = $1128. 15; labor = $501. 50; tax = $93. 08; total cost = $1722. 73.
Front wheel bearings making grinding noise at 37000 mi dealer would not cover under warranty cost $1004. 00 to repair, also rear differential replaced at 35000 mi was covered under warranty.